rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5842 rcu: (detected by 0, t=10502 jiffies, g=10129, q=391 ncpus=2) task:syz-executor231 state:R running task stack:26688 pid:5842 tgid:5842 ppid:5834 task_flags:0x400140 flags:0x00080000 Call Trace: